Seiko Cal. 5623 - 749

Released in 1974, the Cal. 5623 with design code 749 was part of Seiko's domestic market collection. It features a White dial protected by a Hardlex crystal and offers 170m of water resistance. [seikata-wm-0812af03dddc]

Also known as: Monster, Crown

Specifications

Movement

Spring Drive

Case Material

Titanium

Case Width

46mm

Case Thickness

12.2mm

Lug Width

18mm

Crystal

Hardlex

Bezel

Inner Rotating

Water Resistance

170m

Dial Color

White

Jewels

28j

Frequency

21,600 bph

Power Reserve

67 hours

Year

1974

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